# I cannot use ALPACA module

**URL:** <https://discourse.slicer.org/t/i-cannot-use-alpaca-module/33352>\
**Category:** Support\
**Created:** [December 12, 2023, 9:58am UTC](https://discourse.slicer.org/t/i-cannot-use-alpaca-module/33352 "2023-12-12T09:58:15Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![YOU\_DDS](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/you_dds/32/68674_2.png) [@YOU\_DDS](https://discourse.slicer.org/u/YOU_DDS)\
**Post date:** [December 12, 2023, 9:58am UTC](https://discourse.slicer.org/t/i-cannot-use-alpaca-module/33352/1 "2023-12-12T09:58:15Z")

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Dear Professors, friends and all members here,

I need your advice on using ALPACA.

I have installed the SlicerMorph extension. After installation, I am trying to use ALPACA module, but when I click on this module, nothing shown in the working tab(as in the attached photo) and this is what have been show in the Python interactor.  
Python 3.9.10 (main, Aug 19 2023, 07:42:26) [MSC v.1935 64 bit (AMD64)] on win32

> > >

[Qt] libpng warning: iCCP: profile ‘ICC Profile’: ‘CMYK’: invalid ICC profile color space  
[Qt] libpng warning: iCCP: known incorrect sRGB profile  
[Qt] libpng warning: iCCP: known incorrect sRGB profile  
Traceback (most recent call last):  
File “C:/Users/youis/AppData/Local/slicer.org/Slicer 5.4.0/slicer.org/Extensions-31938/SlicerMorph/lib/Slicer-5.4/qt-scripted-modules/ALPACA.py”, line 160, in setup  
from itk import Fpfh  
ImportError: cannot import name ‘Fpfh’ from ‘itk’ (C:\Users\youis\AppData\Local\slicer.org\Slicer 5.4.0\lib\Python\Lib\site-packages\itk\__init_\_.py)

 ![Screenshot 2023-12-12 185300](https://us1.discourse-cdn.com/flex002/uploads/slicer/original/3X/6/d/6d40ba71a414703fd97c525078c21eb12a706633.png)

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**Author:** ![muratmaga](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/muratmaga/32/3622_2.png) [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Post date:** [December 12, 2023, 5:07pm UTC](https://discourse.slicer.org/t/i-cannot-use-alpaca-module/33352/2 "2023-12-12T17:07:02Z")

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Please try with the newest stable (v5.6.1) that will be available later today, and then let us know if it doesn’t work.